221112201211022 has 32 divisors (see below), whose sum is σ = 370649501558784. Its totient is φ = 98052958756800.

The previous prime is 221112201211019. The next prime is 221112201211037. The reversal of 221112201211022 is 220112102211122.

It is a junction number, because it is equal to n+sod(n) for n = 221112201210985 and 221112201211003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72218033 + ... + 75217475.

It is an arithmetic number, because the mean of its divisors is an integer number (11582796923712).

Almost surely, 2^{221112201211022} is an apocalyptic number.

221112201211022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221112201211022 is a deficient number, since it is larger than the sum of its proper divisors (149537300347762).

221112201211022 is a wasteful number, since it uses less digits than its factorization.

221112201211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081224.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221112201211022 its reverse (220112102211122), we get a palindrome (441224303422144).

The spelling of 221112201211022 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred one million, two hundred eleven thousand, twenty-two".